/* ===========================
   Guild of AI — Style Sheet
   Palette: Charcoal / Ember / Steel
   =========================== */

:root {
    --charcoal: #1a1a2e;
    --charcoal-light: #232342;
    --ember: #e85d04;
    --ember-glow: #f48c06;
    --steel: #6c757d;
    --steel-light: #adb5bd;
    --white: #f8f9fa;
    --white-pure: #ffffff;
    --font: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --max-width: 1200px;
    --radius: 8px;
    --transition: 0.3s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font);
    background: var(--charcoal);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--ember); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--ember-glow); }

img { max-width: 100%; display: block; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAV ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(108, 117, 125, 0.2);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-logo:hover { color: var(--ember); }
.logo-icon { font-size: 1.4rem; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--steel-light); font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover { color: var(--white); }
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    background: var(--ember);
    color: var(--white-pure);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}
.btn:hover { background: var(--ember-glow); color: var(--white-pure); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 93, 4, 0.3); }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}
.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}
.accent { color: var(--ember); }
.hero-sub {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--steel-light);
    margin-bottom: 40px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}
.hero-glow {
    position: absolute;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(232, 93, 4, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

/* ===== SECTIONS ===== */
.section {
    padding: 100px 0;
}
.section-dark {
    background: var(--charcoal-light);
}
.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}
.section-sub {
    text-align: center;
    color: var(--steel-light);
    font-size: 1.1rem;
    max-width: 640px;
    margin: 0 auto 48px;
}
.section-hook {
    text-align: center;
    font-size: 1.2rem;
    margin-top: 48px;
    color: var(--steel-light);
}
.section-hook strong { color: var(--ember); }

/* ===== PROBLEM ===== */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}
.problem-card {
    background: var(--charcoal-light);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid rgba(108, 117, 125, 0.2);
}
.problem-icon { font-size: 2rem; margin-bottom: 16px; }
.problem-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.problem-card p { color: var(--steel-light); font-size: 0.95rem; }

/* ===== PROOF ===== */
.proof-lead {
    text-align: center;
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 48px;
}
.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}
.proof-stat {
    text-align: center;
    padding: 32px 16px;
    background: rgba(232, 93, 4, 0.08);
    border-radius: var(--radius);
    border: 1px solid rgba(232, 93, 4, 0.2);
}
.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--ember);
    line-height: 1;
}
.stat-unit {
    font-size: 1.2rem;
    color: var(--ember-glow);
    font-weight: 500;
}
.stat-label {
    display: block;
    margin-top: 8px;
    color: var(--steel-light);
    font-size: 0.9rem;
}
.proof-hook {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 32px;
}
.proof-hook strong { color: var(--ember); }
.built-badge {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--steel);
    padding: 12px;
    border: 1px dashed rgba(108, 117, 125, 0.3);
    border-radius: var(--radius);
    max-width: 480px;
    margin: 0 auto;
}

/* ===== TIERS ===== */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}
.tier-card {
    background: var(--charcoal-light);
    border: 1px solid rgba(108, 117, 125, 0.2);
    border-radius: var(--radius);
    padding: 40px 32px;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}
.tier-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.3); }
.tier-featured {
    border-color: var(--ember);
    box-shadow: 0 0 24px rgba(232, 93, 4, 0.15);
}
.tier-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ember);
    margin-bottom: 12px;
}
.tier-name {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.tier-desc {
    color: var(--steel-light);
    font-size: 0.95rem;
    margin-bottom: 24px;
}
.tier-features {
    list-style: none;
    margin-bottom: 24px;
}
.tier-features li {
    padding: 6px 0;
    color: var(--steel-light);
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}
.tier-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--ember);
}
.tier-target {
    font-size: 0.85rem;
    color: var(--steel);
    font-style: italic;
}

/* ===== VERTICALS ===== */
.vertical-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}
.vertical-card {
    background: rgba(26, 26, 46, 0.6);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid rgba(108, 117, 125, 0.15);
    transition: border-color var(--transition);
}
.vertical-card:hover { border-color: var(--ember); }
.vertical-icon { font-size: 1.8rem; margin-bottom: 12px; }
.vertical-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.vertical-card p { color: var(--steel-light); font-size: 0.9rem; }

/* ===== ABOUT ===== */
.about-content { max-width: 720px; margin: 0 auto; text-align: center; }
.about-text p { color: var(--steel-light); font-size: 1.05rem; margin-bottom: 20px; }
.about-text strong { color: var(--white); }
.about-cta { color: var(--ember) !important; font-size: 1.2rem !important; margin-top: 32px !important; }

/* ===== CONTACT ===== */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--steel-light);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(26, 26, 46, 0.8);
    border: 1px solid rgba(108, 117, 125, 0.3);
    border-radius: var(--radius);
    color: var(--white);
    font-family: var(--font);
    font-size: 1rem;
    transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ember);
}
.form-group textarea { resize: vertical; }
.contact-form .btn { width: 100%; margin-top: 8px; }

/* ===== FOOTER ===== */
.footer {
    padding: 48px 0;
    border-top: 1px solid rgba(108, 117, 125, 0.2);
}
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}
.footer-brand {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--steel); font-size: 0.85rem; }
.footer-links a:hover { color: var(--ember); }
.footer-legal p { color: var(--steel); font-size: 0.8rem; margin: 4px 0; }

/* ===== COOKIE BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--charcoal-light);
    border-top: 1px solid rgba(108, 117, 125, 0.3);
    padding: 16px 0;
    z-index: 200;
}
.cookie-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.cookie-inner p { font-size: 0.85rem; color: var(--steel-light); margin: 0; }
.cookie-inner a { color: var(--ember); }

/* ===== LEGAL PAGES ===== */
.legal-page h2 { font-size: 1.3rem; margin: 32px 0 12px; text-align: left; color: var(--white); }
.legal-page h3 { font-size: 1.1rem; margin: 20px 0 8px; color: var(--steel-light); }
.legal-page p { color: var(--steel-light); margin-bottom: 12px; font-size: 0.95rem; }
.legal-page ul { color: var(--steel-light); margin: 0 0 16px 20px; font-size: 0.95rem; }
.legal-page li { margin-bottom: 6px; }
.legal-updated { font-style: italic; color: var(--steel); margin-bottom: 32px; text-align: center; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(26, 26, 46, 0.98);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid rgba(108, 117, 125, 0.2);
    }
    .form-row { grid-template-columns: 1fr; }
    .section { padding: 64px 0; }
    .hero { padding: 100px 24px 60px; }
}